Season 4

Ben Robinson visits Culross, a stunning 17th-century village that was a major centre for Scottish coal mining and the first underwater sea coal shaft in the world.

Ben Robinson explores the remains of a lost harbour in Port Carlisle, a once-thriving port that hoped to rival Liverpool.

Ben Robinson travels to Cushendall in Northern Ireland to explore the Curfew Tower and schoolhouse, built by its forward-thinking 19th-century merchant landlord.

Ben Robinson makes an amazing discovery at Norfolk’s Holkham estate – its lost medieval village, seen for the first time since its disappearance 200 years ago.

Ben Robinson discovers some of the impressive and well-preserved lime kilns in Solva, Wales, and learns how this industry helped feed a growing nation.

Ben Robinson heads to Beer, Devon, home to beer stone, which has been quarried since Roman times and used in many of England's cathedrals and iconic buildings.

Ben Robinson travels to Seaton Sluice, home to the notorious Delaval family and the site of a past bottle works that shaped the village.

Ben Robinson unearths the past of Porthgain, Pembrokeshire, built for its industry exporting slate, then brickwork, then finally stone used for the nation’s roads.

Ben Robinson unearths the ancient history of Greyabbey on beautiful Strangford Loch.

Ben Robinson travels to Johnshaven, a once-important Scottish fishing village that diversified into the flax and jute trade when its skilled sailors were press-ganged into the Royal Navy.